Digital Optical Communications

Bình, Lê Nguyên

doi:10.1201/9781420082067

Cited by 23 publications

(28 citation statements)

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“…Therefore, determination of the envelope of an optical pulse becomes necessary. Numerical approach, the split step Fourier method (SSFM) has been applied to solve this equation [12][13][14][15] in case that nonlinear effects are significant; otherwise analytic approach is used instead. For single-channel optical communications, distortion is mainly contributed by chromatic dispersion, polarization mode dispersion, and nonlinear effects such as self-phase modulation (SPM) [9] and cross phase modulation (XPM).…”

Section: A Optical Transmittermentioning

confidence: 99%

Digital lightwave receiver employing parallel-DSP-based equalization technique for 100 Gbps 1000-km RZ-DQPSK optical communication system

Nguyen

et al. 2011

The 2011 International Conference on Advanced Technologies for Communications (ATC 2011)

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Abslracl-We demonstrate by simulation a parallel decision feedback equalization (DFE) technique at multi-GSa/s sampling rate employing recursive least square (RLS) and mean square error (MSE) adaptive algorithms to mitigate the chromatic dispersion (CD) and nonlinear impairments in 100 Gbps 1000 km long-haul optically amplified fiber transmission systems under RZ-DQPSK modulation formats. The digital equalizer is embedded in the coherent lightwave receiver in cascade with the electronic preamplifier and an ADC. RLS algorithm offers a CD tolerance of nearly 300 kms of G652 Standard Single Mode Fiber; while the MSE algorithms can tolerate only about 240 kms. Our simulation for the long haul optical transmission system is developed on the Matlab Simulink platform.I.

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Section: A Optical Transmittermentioning

confidence: 99%

Digital lightwave receiver employing parallel-DSP-based equalization technique for 100 Gbps 1000-km RZ-DQPSK optical communication system

Nguyen

et al. 2011

The 2011 International Conference on Advanced Technologies for Communications (ATC 2011)

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“…It is well known that CSRZ-DQPSK modulation format is spectrally efficient and utilized for data transmission up to 40 Gbps as stated in Ref. 9.…”

Section: Introductionmentioning

confidence: 99%

An efficient scheme for simultaneous 60 GHz MM wave generation and CSRZ‐DQPSK transmission in a passive optical network

Rimmya

Madhan

2019

Micro & Optical Tech Letters

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This article focuses on low complexity implementation of CSRZ‐DQPSK transmitter at optical network unit and remote generation of 60 GHz MM wave for wireless access. A 60 GHz signal is generated with a simple digital circuit comprising of XOR gate and a time delay unit. This approach eliminates the need of an amplifier or RF source at the ONU. For a data rate of 20 MZM scheme and low complexity 2 and 1 MZM configurations. Simulations are carried out to evaluate the performance of 60 GHz remote carrier generation and digital transmission under three different transmitter schemes.

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“…The block diagram of a noncoherent receiver for CSRZ-QDPSK modulation is shown in Figure 4 [12]. The absence of a local oscillator in noncoherent detection makes this technique an attractive one.…”

Section: Noncoherent Receiver For All Schemesmentioning

confidence: 99%

Performance evaluation of simple CSRZ-QDPSK transmitter configurations for 20-Gbps PON applications

Rimmya¹,

Muthu²

2017

Turk J Elec Eng & Comp Sci

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Digital Optical Communications

Cited by 23 publications

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Digital lightwave receiver employing parallel-DSP-based equalization technique for 100 Gbps 1000-km RZ-DQPSK optical communication system

Digital lightwave receiver employing parallel-DSP-based equalization technique for 100 Gbps 1000-km RZ-DQPSK optical communication system

An efficient scheme for simultaneous 60 GHz MM wave generation and CSRZ‐DQPSK transmission in a passive optical network

Performance evaluation of simple CSRZ-QDPSK transmitter configurations for 20-Gbps PON applications

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